baber/WOPTO huggingface dataset:
Patent WO-2019033591-A1 (WO)
Title: High-efficiency vehicle led headlight and light distribution method
Inventor: ZHAO HONGWEI
IPC: F21V7/06
Filed: 2017-11-13
Abstract: A high-efficiency vehicle light-emitting diode (LED) headlight and a light distribution method. The headlight comprises a parabolic reflective bowl (2), and a group of semi-elliptical reflective bowls (3) that evenly surrounds the parabolic reflective bowl (2) by using the same as the center; an LED (1) is arranged at the focal point of the parabolic reflective bowl (2), and LEDs (1) are arranged at first focal points of the semi-elliptical reflective bowls (3); second focal points of the semi-elliptical reflective bowls (3) coincide at a point and are located on the symmetric central axis of the parabolic reflective bowl (2), while a light blocking plate (4) is arranged at the second focal points of the semi-elliptical reflective bowls (3), the light blocking plate (4) being placed at the rear focal point of an aspheric lens (5).
Patent WO-2018130010-A1 (WO)
Title: 一种聚酰胺树脂复合材料及其制备方法和应用
Inventor: JIN LIANGWEN
IPC: C08K7/14
Filed: 2017-11-22
Abstract: 本发明提供一种聚酰胺树脂复合材料及其制备方法和应用。本发明提供的聚酰胺树脂复合材料通过熔点较低的半芳香聚酰胺来加强材料流动性，以改善半芳香族聚酰胺表面差的缺陷；其中，分子链较长的对苯二甲酰十二烷二胺-间苯二甲酰十二烷二胺共聚酰胺(PA12T/12I)降低材料吸水率，强度和刚性较好的己二酰己二胺-对苯二甲酰己二胺共聚酰胺(PA66/6T)和间苯二甲酰己二胺-对苯二甲酰己二胺共聚酰胺(PA6I/6T)提高材料刚性；玻璃纤维作为增强材料提高树脂材料的强度；无卤阻燃剂与阻燃助剂配合提高阻燃性能。
Patent WO-2018121149-A1 (WO)
Inventor: LI MINGJU
IPC: H04W24/02
Filed: 2017-11-24
Abstract: Les modes de réalisation de l'invention concernent un procédé de gestion de mobilité basé sur les faisceaux et un élément de réseau l'utilisant. Le procédé comporte les étapes consistant à: acquérir au moins un signal de faisceau et son intensité de signal; déterminer, d'après l'intensité de signal du signal ou des signaux de faisceau, un objet de transmission candidat; envoyer, à une station de base de desserte, des informations de paramètres de l'objet de transmission candidat; et recevoir des informations de paramètres d'un objet cible de transfert déterminé par la station de base de desserte et d'après les informations de paramètres de l'objet de transmission candidat. Les modes de réalisation de l'invention sont adoptés pour sélectionner, d'après l'intensité de signal d'au moins un signal de faisceau, un objet cible de transfert en tant qu'objet de transfert d'une liaison de communication, mettant en œuvre un transfert rapide et précis de la liaison de communication sur la base d'une pluralité de faisceaux.
Patent WO-2019109290-A1 (WO)
Title: Ensemble de contextes et fusion de contextes
Inventor: HUANG YIN
IPC: G06N3/02
Filed: 2017-12-07
Abstract: L'invention concerne, selon un aspect, un procédé, un support lisible par ordinateur et un appareil destinés à faire fonctionner un réseau de calcul. L'appareil comprend une mémoire et au moins un processeur couplé à la mémoire. Selon un aspect, le ou les processeurs peuvent obtenir une pluralité de caractéristiques associées à l'appareil. Le ou les processeurs peuvent générer un contexte d'après la pluralité de caractéristiques, le contexte comportant une sortie multidimensionnelle. Le ou les processeurs peuvent fournir au moins une partie du contexte à un composant de l'appareil.
Patent WO-2018113710-A1 (WO)
Title: β-核苷类化合物的制备方法
Inventor: ZONG ZAIWEI
IPC: C07H1/00
Filed: 2017-12-21
Abstract: 本发明提供一种制备β-核苷类化合物的方法，包括步骤：1）将含氮碱基或其类似物在TMSOTf存在下发生甲硅烷基化反应，得到三甲硅烷基保护的含氮碱基或其类似物；2）反应液不经分离，直接与被羟基保护基封闭的五元环糖或六元环糖或其衍生物发生糖基化反应，得到封闭的β-核苷类化合物；3）经脱保护基反应，得到β-核苷类化合物。该方法一锅法制备得到β-核苷类化合物的关键中间体，且β构型物质的产率显著提高，具有操作简单，节能环保的优势，适合工业化应用。
Patent WO-2018192257-A1 (WO)
Title: 无创型具有血糖数据采集功能的腕表
Inventor: ZHANG GUANJING
IPC: A61B5/1455
Filed: 2017-12-23
Abstract: 一种无创型具有血糖数据采集功能的腕表（100），包括表盘本体（101）、表带（102）、按钮（103），表带（102）安装在表盘本体（101）的两侧，腕表（100）还包括通过线路连接的红外光发射模块（104）、红外光接收模块（105）、信号转换模块（106）、通讯模块（107）、微控制器（109）和电源模块（110）；红外光发射模块（104）、信号转换模块（106）、通讯模块（107）、微控制器（109）和电源模块（110）设置于表盘本体（101）内，红外光接收模块（105）设置于表带（102）中：按钮（103）设置于表盘本体（101）的外侧，按钮（103）通过线路与微控制器（109）连接。本腕表（100）便于使用者随身使用，能够方便地无创采集用户的人体血糖浓度，提高便携性，提高用户体验。
Patent WO-2018137473-A1 (WO)
Inventor: DAI QIAN
IPC: H04W24/02
Filed: 2017-12-29
Abstract: An overload control method and device. The method comprises: a core network element detects whether the current network is overloaded; when the current network is overloaded, the core network element transmits to an access network element overload control rules comprising control information for MO-exception-data, the control information for MO-exception-data comprising one of the following; allow a connecting request of the MO-exception-data, and deny a connecting request of the MO-exception-data.
Patent WO-2019007042-A1 (WO)
Title: Peep-proof device, display and method for driving display
Inventor: CHEN YINWEI
IPC: G02F1/1335
Filed: 2018-01-29
Abstract: A peep-proof device, a display and a method for driving the display. The peep-proof device comprises at least one light adjusting layer (30), wherein the light adjusting layer (30) comprises a transparent substrate layer (31), a plurality of grooves being formed on one surface of the transparent substrate layer (31); and a liquid crystal layer (32) located in the plurality of grooves, wherein the refractive index of the transparent substrate layer (31) is the same as the refractive index of the liquid crystal layer (32) for ordinary light.
Patent WO-2019052127-A1 (WO)
Title: Three-dimensional memory devices and methods for forming the same
Inventor: ZHU JIFENG
IPC: H01L27/11551
Filed: 2018-03-02
Abstract: Three-dimensional (3D) memory devices (200) and methods for forming the 3D memory devices (200) are disclosed. A NAND memory device (200) includes a substrate (202), a plurality of NAND strings (230) on the substrate (202), one or more peripheral devices above the NAND strings (230), a single crystalline silicon layer above the peripheral devices, and one or more interconnect layers between the peripheral devices and the NAND strings (230). The NAND memory device (200) includes a bonding interface (219) at which an array interconnect layer contacts a peripheral interconnect layer (222).
Patent WO-2018171433-A1 (WO)
Title: 一种洗衣机控制方法及洗衣机
Inventor: XU SHENG
IPC: D06F33/02
Filed: 2018-03-08
Abstract: 本发明公开了一种洗衣机控制方法,所述的洗衣机具有远程控制功能，洗衣机接收到暂停/关机指令后根据远程控制功能的开启/关闭状态和洗衣机的工作状态参数控制门锁是否解锁。本发明中，在洗衣机接收到暂停或关机指令后，是否开启门锁需要结合远程控制功能的开启/关闭状态信息，比如在远程控制功能为开启状态时，则在洗衣机接收到暂停命令后，会保持门锁为锁定状态。因此本发明的洗衣机控制方法，适用于物联网洗衣机领域，可有效地保证了物联网洗衣机在远程控制中的安全性，避免了安全事故的发生。
Patent WO-2019052137-A1 (WO)
Title: Backlight module and display apparatus
Inventor: ZHANG JIBING
IPC: G02B6/00
Filed: 2018-03-14
Abstract: A backlight module and a display apparatus. The backlight module comprises: a light source (21), a light guide plate (22) and a reflection sheet (23). The light guide plate (22) comprises a light incident face (P3) located on one side of the light guide plate (22) and perpendicular to a bottom face (222), a first oblique face (P1) disposed between a light incident face (P3) and a light emergent face (221), and a second oblique face (P2) disposed between the light incident face (P3) and a bottom face (222), wherein an intersecting line of planes where the first and second oblique faces (P1, P2) are located is located outside the light guide plate (22), and the intersecting line is parallel to the bottom face (222); and the first and second oblique faces (P1, P2) are configured such that at least some of the light rays are totally reflected on the first and second oblique faces (P1, P2), and an incident angle of a light ray emitted to the bottom face (222) is greater than or equal to a critical angle (ig) at the bottom face (222).
Patent WO-2018177219-A1 (WO)
Title: 贴片媒体文件的播放控制方法及装置
Inventor: ZHOU BIN
IPC: H04N21/6587
Filed: 2018-03-23
Abstract: 本申请公开了一种贴片媒体文件的播放控制方法及装置。该方法包括：在使用第一账号登录的第一播放客户端播放贴片媒体文件集的过程中，获取对贴片媒体文件集执行点击操作所生成的播放控制指令，播放控制指令中携带有在贴片媒体文件集中第一账号当前未完成播放的贴片媒体文件的剩余播放时长；根据当前未完成播放的贴片媒体文件的剩余播放时长，更新与第一账号对应的贴片媒体文件的当前总剩余播放时长，得到更新后的总剩余播放时长；在更新后的总剩余播放时长小于等于第一预定阈值的情况下，跳过贴片媒体文件集中当前未完成播放的贴片媒体文件，在第一播放客户端中播放目标视频。本申请解决了采用相关的播放控制方式所导致的控制灵活性较低的问题。
Patent WO-2019213921-A1 (WO)
Title: Beam indication method, device, and system
Inventor: CHEN ZHE
IPC: H04W24/02
Filed: 2018-05-10
Abstract: A beam indication method, a device, and a system, the method comprising: a terminal device receives activation signaling, the activation signaling activating at least one transmission; the terminal device sends or receives the at least one transmission on the basis of the understanding that: before receiving deactivation signaling or subsequent activation signaling, all transmissions activated by the activation signaling use the same spatial filter or transmission assumptions, or use respective spatial filters or transmission assumptions determined by means of dynamic interpretation of the activation signaling. Thus, for semi-persistently scheduled or periodically scheduled transmissions, the same spatial filter or transmission assumptions, or respective spatial filters or transmission assumptions determined by means of dynamic interpretation of activation signaling are used between activation signaling and deactivation signaling or subsequent activation signaling to perform sending or receiving, solving the problem of beam indication fuzziness in the described interval.
Patent WO-2018210268-A1 (WO)
Title: 呼叫情景模式调整方法、应用服务器及存储介质
Inventor: QU TIANXI
IPC: H04L29/06
Filed: 2018-05-16
Abstract: 本公开提供了一种呼叫情景模式调整方法、应用服务器及存储介质。所述呼叫情景模式调整方法包括：同步用户配置的日历信息，其中，日历信息包括事件类型以及事件发生的时间信息；当与用户相关的呼叫发生在时间信息设定的时间内时，获取与时间信息相对应的事件类型；以及根据所获取的事件类型匹配对应的呼叫情景模式，并基于与匹配的呼叫情景模式对应的预设策略对呼叫进行处理。
Patent WO-2018219164-A1 (WO)
Inventor: BAI JIAN
IPC: G06F3/0481
Filed: 2018-05-18
Abstract: L'invention concerne un procédé permettant de rechercher une application et des produits associés, ledit procédé comprenant les étapes suivantes. Une première interface est affichée par l'équipement terminal. L'équipement extérieur comprend la première interface et une seconde interface (101). La première interface contient une icône d'une première application et une interface. La seconde interface est établie selon un type d'application et contient une icône d'application du type d'application correspondant à la seconde interface. Une instruction permettant de sélectionner le type d'application correspondant à la seconde interface est reçue (102). Une commutation est effectuée vers la seconde interface (103). L'invention porte également sur un équipement terminal.
Patent WO-2018219285-A1 (WO)
Inventor: TANG WEI
IPC: G06Q30/06
Filed: 2018-05-30
Abstract: 本申请公开了一种数据对象展示方法及装置。一种数据对象展示方法包括：确定数据对象展示场景的至少一种特征；根据所确定的场景特征，从展示方案集合中，选取与该场景特征匹配的展示方案；根据所选取的展示方案，以指定的展示效果对指定的源数据对象进行展示输出。本申请所提供的技术方案，将"配置项"作为展示方案的最小存储单元，针对每个配置项可以对应存储多种具体配置内容，从而可以根据实际需求更灵活地组装出满足各种需求的展示方案。
Patent WO-2019148726-A1 (WO)
Title: Resistive strain sensor
Inventor: SU YEWANG
IPC: G01L1/18
Filed: 2018-06-05
Abstract: Provided in the present invention is a resistive strain sensor that is capable of precisely measuring large-scale ranges, comprising: a strain resistor and a base, wherein the strain resistor is fixed on the base, the base is composed of an insulating material and is a curved structure, and the central axis of the strain resistor is located at one side of the central axis of the base, thus enlarging the measurement range of the resistive strain sensor. Compared to common metal foil resistance strain gauges, the measurement design of the strain sensor provided in the present solution may range from parts per hundred to parts per thousand and may effectively solve the problem of smaller trusted ranges of metal foil wires due to limits on the stretch rate.
Patent WO-2019205232-A1 (WO)
Title: Ecological productive recyclable architecture of sufficiently utilizing ground-floor and top-floor spaces of buildings
Inventor: SONG ZHIYUAN
IPC: A01K63/00
Filed: 2018-06-06
Abstract: An ecological productive recyclable architecture of sufficiently utilizing the ground-floor and top-floor spaces of buildings. The architecture comprises a plurality of building bodies (1) constructed within a fish pond B (22). A fish pond A(2) is provided on the top of each building body (1), and the bottom of the fish pond A(2) is a slope A. The side surface of the fish pond A(2) is provided with a sewage outlet (3) which is opposite the lower position of the slope A, the sewage outlet (3) is connected to a water pump (4), and the drain port of the water pump (4) is connected to an irrigation tube (5). The top of the fish pond A(2) is provided with a downwardly recessed microbial pond I(6), and a plurality of air culturing and planting systems are provided on the top surface of the fish pond A(2) and above both sides of the microbial pond I(6). The beneficial effect of the architecture is that: cultivation of the livestock and poultry and vegetable or fruit can be performed in the air and underground, fully taking advantage of unnecessary spaces of the buildings, and enabling the user to have fresh vegetables and livestock and poultry while staying indoors.
Patent WO-2018228263-A1 (WO)
Title: 一种显示面板及显示装置
Inventor: LI ZHONGXIAO
IPC: G02F1/13357
Filed: 2018-06-07
Abstract: 本申请公开了一种显示面板及显示装置。显示面板包括：相对设置的第一基板和第二基板；以及位于所述第一基板和所述第二基板之间的第一电极、第二电极和液晶层。所述第一电极位于所述第一基板与所述液晶层之间，所述第二电极位于所述液晶层与所述第二基板之间或位于所述第一基板与所述第一电极之间。所述显示面板还包括位于所述第一电极远离所述液晶层的一侧的遮光层，所述遮光层具有多个开口，其中，所述开口对应所述显示面板的子像素的位置。
Patent WO-2019232755-A1 (WO)
Title: Data transmission method and device
Inventor: LI NIJUN
IPC: H04L1/00
Filed: 2018-06-07
Abstract: The present application provides a data transmission method and device. The method comprises: acquiring important bits in the N-th data frame, wherein N is an integer greater than or equal to 1, the number of important bits in the N-th data frame is less than the number of bits in the N-th data frame, and the remaining bits in the N-th data frame, except the important bits, are unimportant bits in the N-th data frame; and sending the important bits in the N-th data frame and not sending the unimportant bits in the N-th data frame. In this way, on the premise of guaranteeing speech intelligibility, a sending end device reduces the data transfer volume to the greatest extent by merely transmitting important bits, thereby improving the transmission reliability and coverage.
Patent WO-2019237246-A1 (WO)
Title: Wireless remote monitoring device and system for soil monitoring
Inventor: ZHANG YUNYI
IPC: G05B19/048
Filed: 2018-06-12
Abstract: A wireless remote monitoring device and system for soil monitoring. The wireless remote monitoring device is supplied with power by means of a soil battery (101), and a soil environment parameter of a predetermined region is acquired and then transmitted to a server (107) by means of a wireless base station (106). When the soil environment parameter reaches a preset value, watering or fertilizing is controlled to be performed. Thus, the present invention achieves the use of the soil battery (101), that is, energy in the environment is acquired and serves as a power supply source, avoiding replacement of batteries. Furthermore, the soil environment can be monitored remotely in real time, and when the soil environment parameter reaches a preset value, watering or fertilizing is intelligently controlled to be performed, without the necessity of on-site manual maintenance, saving labour cost, and solving the problem in the existing agricultural monitoring technique of difficult battery replacement and high manual cost due to on-site manual maintenance.
Patent WO-2019007428-A1 (WO)
Title: Mechanical hand structure
Inventor: JIANG JIAN
IPC: B25J19/02
Filed: 2018-07-06
Abstract: A mechanical hand structure comprises: a mechanical arm (1); an operating system; and an audio module (2). The audio module (2) is provided at a distal end of the mechanical arm. The audio module (2) is used to collect audio information from an operating environment and to transmit the audio information to the operating system. The operating system controls an operating state of the mechanical arm according to the audio information.
Patent WO-2019214064-A1 (WO)
Title: Fly-eye detection device
Inventor: QIN YINGJIE
IPC: G01N21/01
Filed: 2018-07-16
Abstract: Disclosed is a fly-eye detection device, comprising: a cabinet (1), a screen driving apparatus (2), a processing apparatus (3) and a fly-eye array (4). The fly-eye array (4) is arranged on the cabinet (1) and is used for detecting a screen (5), which is placed above the cabinet (1). The processing apparatus (3) is arranged in the cabinet (1) and is in communication connection with the fly-eye array (4). The screen driving apparatus (2) is arranged in the cabinet (1) and is connected to the screen (5), which is above the cabinet (1). The fly-eye array (4) comprises a backplate, visual processing modules, cameras and multiple fly-eye lens groups, the visual processing modules corresponding to the cameras and lenses on the fly-eye lens groups on a one-to-one basis, and the visual processing modules being connected to the processing apparatus (3) via the backplate. Based on the fly-eye detection device, infinite-resolution extended detection can be carried out by means of the multiple cameras and fly-eye lens groups.
Patent WO-2019223100-A1 (WO)
Title: Device information deletion method and apparatus, household appliance, mobile terminal and server
Inventor: HUO WEIMING
IPC: H04L12/28
Filed: 2018-07-27
Abstract: Provided in the present application are a device information deletion method and apparatus, a household appliance, a mobile terminal and a server. The method comprises: a server receiving a deletion request carrying a device identification code sent by a household appliance, wherein the deletion request is sent by the household appliance to respond to a deletion operation of a user; the server sending a deletion instruction to the household appliance, wherein the deletion instruction is used for deleting first device information stored on the household appliance. By means of the method, device information stored on the household appliance is deleted, information leakage is prevented, the security of the information in the household appliance is improved, and privacy of a user is protected.
Patent WO-2019024917-A1 (WO)
Title: Semiconductor device, and high voltage device with self-electrostatic discharge protection
Inventor: WANG GUANGYANG
IPC: H01L23/60
Filed: 2018-08-03
Abstract: A high voltage device with self-electrostatic discharge protection. The device comprises: a semiconductor substrate; a first N- well (201), a P- well (202), and a second N- well (209) formed in the semiconductor substrate; a first N+ ion implantation region (203) and a first isolation region (207) formed in the first N-well (201); a second N+ ion implantation region (204) and a P+ ion implantation region (205) adjacent to the second N+ ion implantation region (204) that are formed in the P-well (202); a third N+ ion implantation region (208) formed in the second N- well (209); and a second isolation region (210) formed in the semiconductor substrate, the second isolation region (210) covering a portion of the second N- well (209) and a portion of the P- well (202), wherein the second N+ ion implantation region (203), the P+ ion implantation region (205), and the third N+ ion implantation region (208) constitute an NPN-type BJT, and the electrostatic discharge protection is achieved by means of the BJT.
Patent WO-2019029614-A1 (WO)
Title: SWITCH BETWEEN SUB PRB AND NORMAL PRB ALLOCATIONS FOR eMTC
Inventor: WEI CHAO
IPC: H04W72/04
Filed: 2018-08-09
Abstract: Enhanced Machine Type Communications (eMTC) is a wireless communication technology with reduced system bandwidth. To improve spectral efficiency, user equipment (UE) is configured to receive first downlink control information (DCI) from a base station. The first DCI indicates a resource block (RB) sized frequency allocation for the UE. Additionally, the UE is configured to receive second DCI from the base station. The second DCI indicates a sub RB sized frequency allocation for the UE. The UE is configured to transmit a plurality of uplink data transmissions to the base station in a variable frequency allocation such that the plurality of uplink data transmissions switches between using the RB sized frequency allocation and the sub RB sized frequency allocation. Thus, by using the sub RB sized frequency allocation, more UEs can be allocated to the same RB without lowering the data rate thereby improving total uplink capacity.
Patent WO-2020037471-A1 (WO)
Title: Monitoring information output method, infusion pumps, display device, and storage medium
Inventor: PAN RUILING
IPC: A61M5/142
Filed: 2018-08-20
Abstract: A monitoring information output method, infusion pumps (1301, 1302, 1303, 1304, 1401, 1402, 1403, 1404, 1405, 1406, 1500), a display device (1407), and a storage medium. The monitoring information output method is applied to the infusion pumps (1301, 1302, 1303, 1304, 1401, 1402, 1403, 1404, 1405, 1406, 1500), and the infusion pumps (1301, 1302, 1303, 1304, 1401, 1402, 1403, 1404, 1405, 1406, 1500) are configured to perform corresponding infusion operations according to the types of configured medicines, comprising: collecting monitoring parameters (101), the monitoring parameters being used for representing infusion operation states of the infusion pumps (1301, 1302, 1303, 1304, 1401, 1402, 1403, 1404, 1405, 1406, 1500); obtaining monitoring information corresponding to the monitoring parameters (102), the monitoring information comprising an accumulated result of the monitoring parameters; and outputting the monitoring information by means of output devices of the infusion pumps (1301, 1302, 1303, 1304, 1401, 1402, 1403, 1404, 1405, 1406, 1500) (103).
Patent WO-2019037779-A1 (WO)
Title: User plane mode selection method, adjustment method, device, equipment and medium
Inventor: ZHENG TAO
IPC: H04L5/00
Filed: 2018-08-24
Abstract: Disclosed by the present document is a user plane mode selection method, comprising: a centralized unit (CU) acquiring a user plane protocol layer segmentation mode supported by all cells in a broadcast or multicast business service serving area; the CU, according to the user plane protocol layer segmentation mode supported by all cells, determining a CU-based and distributed unit (DU)-based user plane protocol layer segmentation mode of the broadcast or multicast service. Further disclosed by the present document are a user plane mode selection method and device, a user plane mode adjustment method and device, centralized unit equipment, a core network network element and a storage medium.
Patent WO-2019052483-A1 (WO)
Title: Seat rod clamp assembly and vehicle
Inventor: HU WEIWEI
IPC: B62J1/08
Filed: 2018-09-12
Abstract: Disclosed are a seat rod clamp assembly and a vehicle. The seat rod clamp assembly comprises: an annular hoop (1), wherein the annular hoop (1) has a notch (11), the annular hoop (1) has locking portions (12) respectively on two sides of the notch (11), a column hole (13) is provided in the annular hoop (1), and the annular hoop (1) is configured such that the column hole (13) is deformed and locked when the two locking portions (12) get close to each other; a handle (2), wherein the handle (2) is rotatably connected to the two locking portions (12), and the handle (2) is configured to be able to be wrenched to rotate in an axial direction of the column hole (13) to a locked position and a released position; and at least one pair of eccentric spacers (3), wherein one of the eccentric spacers (3) is fixed on one of the locking portions (12), the other of the eccentric spacers (3) is correspondingly fixed on the handle (2), an end face of each of the eccentric spacers (3) is provided with an inclined face, the end faces of the two eccentric spacers (3) abut against each other, and each pair of eccentric spacers (3) is configured such that when the handle (2) is rotated to the locked position, the overall thickness of the two eccentric spacers (3) is increased under the abutting guidance of the inclined faces to allow the two locking portions (12) to get close to each other.